الصفحة الرئيسيةNDTV News - Topstories Novavax Covid Jab Highly Effective, But Not Against South Africa Variant byashif raza -يناير 28, 2021 0 تعليقات US biotech firm Novavax said Thursday its two-shot Covid-19 vaccine showed an overall efficacy of 89.3 percent in a major Phase 3 clinical trial in Britain, and remained highly effective against a...
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